Tru Cool Bypass Tru Cool Bypass. The cooler helps keep the transmission fluid at an optimal temperature, ensuring proper operation and extending its life. Posted October 15, 2007. kaos. Thread is 5/8" - 18 UNF 2B thread (3/8" inverted flare). PLAN BENEFITS: $0 deductible and no hidden fees. We'll see how this winter goes. The LPD4739 trans cooler includes a thermal bypass. If possible, locate the cooler in an area where it will be exposed to ram air. Amazon has encountered an error. +91 9552510464 Reply With Quote. Is there any reason you can't mount this upside down (with fittings toward the ground)? ***Please view the following document before starting. At what temperature does the thermal bypassactivate? NOTE: OPT uses javascript to enhance and secure your online experience. Tru-Cool Max Transmission Cooler 40,000 GVW Fluid Oil 40K True Long Brand 4739-1 LPD47391 Automatic OPT Product Code: LNG-47391 UPC Code: 621859473915 $149.05 (4.9) Reviews: 41 1937 In Stock This keeps the line to the cooler always open. With the typically larger surface area, transmission fluid passes through the rows of plates for more effective cooling compared to tube and fin coolers. The Fora platform includes forum software by XenForo. Recommend this cooler for sure. While both are very similar, there are two different part numbers, the Tru Cool Max for the Tru Cool Max LPD47391 and LPD4739. TRU-COOL MAX LPD4739 TRANSMISSION OIL COOLER BY LONG 4739 OC4739 OC-4739 M-OC-4739. The fittings on this cooler are 3/8" inverted flare. While I'm at it, I also set up a temperature gauge so that we can keep tabs on how hot things are getting while we. Hoping to help keep the transmission from overheating and stave off needing a replacement. The drawback is it will take a while to get the fluid to operating temp. The following images show the 70264 installed on a full size truck, C5 Corvette, and Ls1 Camaro. The in-tank cooler offers additional cooling and helps preheat the transmission. Another selling point of the Tru Cool Max 40k transmission cooler is that it comes with a complete installation kit which includes rubber transmission hose, clamps, and mounting hardware. Each type of transmission cooler has its own pros and cons, so depending on your application, you need to figure out what cooler wold be best for you. Their products are industry known for being some of the highest quality and provide superior transmission cooling capabilities. Please refresh and try again. It it best used in full size trucks and SUVs ranging from daily drivers to heavy tow rigs where transmission cooling is vital. Tube & fin designs are inefficient and have a lot of dead space, while the Tru-Cool stacked plate design puts most of the oil close to the surfaces that are in contact with passing air. Disclaimer: Links on this page pointing Compared to tube and fin and plate and fin coolers,stackedplate transmission coolersare the most costly, but cool the most efficiently and are arguably the most popular type of transmission oil coolers. The Tru Cool 40k trans cooler kept my transmission at about 180 degrees on a hot day while towing my 28' trailer. Do I need a thermal bypass? The B&M 70266 has 1/2 NPT threads that allow for the use of custom -6an or -8an lines and fittings. All True-Cool coolers come with a manufacturer's limited lifetime warranty. How can larger tube & fin coolers offer less cooling? The below video demonstrates how to install the Tru Cool 40k on a 4l60e equipped Chevy Tahoe. It is recommended to utilize the stock transmission cooler in the radiator with the Tru Cool Max LPD4739 to allow the fluid to get to operating temps. Since the Tru Cool 40k is such a popular transmission cooler upgrade on GM full size trucks and SUV, there are a number of specific brackets designed to makeinstallation as simple as possible on these trucks. Please try again. Design On a 20F day, my trans temps have been in the 80-90F range after 15-20 minutes of driving. Genuine Tru-Cool LPD4739 with OEM Thermal Bypass in Blue Box, High Flow 3/8" Inverted Flair Hex fittings, Plate-style cooler outperforms old tube-and-fin designs in a smaller overall size, 30% more cooling delivers maximum heat transfer, Self-regulating flow for maximum lube flow protection through cold start-up, varied temperatures and driving conditions, heavy loads and towing, Long Coolers, an OEM subsidiary of the Dana Corporation, are specified Original Equipment in 9 out of 10 new vehicle installations. Tru Cool 40k Best Transmission Cooler For Towing & Trucks .tru cool 40k trans cooler. No problems. It is recommended to utilize the stock transmission cooler in the radiator with the Tru Cool Max LPD4739 to allow the fluid to get to a suitable temperature. It does work, and if you lived on one of the poles you may need it. The 40k cooler with thermal bypass is best for drivers who live in colder climates. The 40k cooler with thermal bypass is best for drivers who live in colder climates. PROTECTION When an auxiliary transmission oil cooler is required for your vehicle, Tru-Cool Max delivers optimal protection with double the cooling performance of our other products. Includes cold weather bypass Perfect for towing in colder climates, Fitting type The inverted flex flare provides a more secure connection to thetransmission cooler lines assuming the right fittings are used, Can bypass the stock cooler This cooler is large enough to use as a stand alone transmission cooler, Includes universal installation kit for simple installs. Depending on the application, it may be required to mount the transmission cooler remotely. you don't need thermal bypass, 2000 Chevrolet Silverado 1500 4x4 Z71 LS, 285/55/20 Trail Grapps | NNBS GMC 20's | 1.5"F & 2.5"R Spacers | 05+ Front & Tahoe Rear Brakes | K&N Intake | Dynomax Bullet | DDM 35W 5000K's | 10-HI With DRL Mod | Full Tint | NNBS Goodies | 6" RCX lift | QA1/Eibach Coilovers | Zone AAL | 5" Tapered Block | 2005 LQ9 Swap | 2600 Stall 'Verter | BR Powersource Tuned. Some vendors are selling this cooler as an exclusive,but it's available from several companies-including Makco Distributing-also know as bulkpart.com. Please try again. Tech data: And a pic of the. Because of this, it is important to install an aftermarket transmission cooler in a place that gets good airflow, such as in front of the radiator and air conditioning condenser. NEW Long Tru-Cool Max transmission cooler P/N LPD4739. Mounting and installation of the Tru Cool 40k is simple. The smaller lines will restrict the transmission fluid flow. This is the ultimate cooler for heavy towing and is a must for heavy duty applications, including racing. permanent fix, that and b&m deep pan and a tru cool 40k. Additionally, networking opportunities are available throughout the summit for attendees to connect with likeminded professionals who can help them grow their businesses. Reply to this topic; Start new topic; Recommended Posts. Lakewood Auto & Transmission P We not only carry a wide range of performance minded transmission parts for your car, but we also provide the best customer service; before and after the sale. This helps disperse the excess heat generated in your transmission and can significantly improve its performance and extend its lifespan. As fluid warms up and becomes thinner, the fluid will begin to flow through the rest of the cooler. If you do not need the thermal bypass but do need a great transmission cooler, and have the available space, we have that product under part number LNG-47391. These coolers may remind you of a traditional radiator. EASY Returns & Exchange. Coverage for mechanical breakdowns begins after the manufacturer's warranty expires. }. Yes, it includes universal installation kit with rubber transmission line, various fittings, clamps, and mounting hardware. Thermal Bypass Valve Installation - TechLink gm-techlink.com Reactions: swathdiver. Kit comes with transmission line, fittings, clamps, mounting hardware. So far so good. In addition, the Tru Cool 40k is a perfect transmission cooler upgrade for the Cummins, Duramax, and Powerstroke diesel guys as well. HackMcMaster Active Member. It uses 3/8 inverted hex flare fitting, which allows for the use of 6 or 8 an lines and fittings for a more secure fit and greater fluid capacity. Installed on a 2012 Silverado and it really cools down the fluid. The stock tranny cooler wasnt adequate with this load on a hot day. It works by transferring heat away from the transmission fluid, which in turn helps reduce wear on internal parts and improves overall efficiency. Kinda low, but I wouldn't say that it is detrimental to much of anything. Credit: www.oregonperformancetransmission.com. This makes it ideal for both high-performance vehicles as well as daily drivers looking for improved longevity out of their transmissions. The B&M 70264 utilizes a stacked plate design that measures 11.25 x 7.25 x 1.5. Since it is much larger than any stock external cooler, you will have to get creative with how you mount the Tru Cool 40k. Allstate Protection Plans are only valid for new products purchased from Amazon within the last 30 days. Is the Thermal Bypass is needed? Its working good so far. With its 13 rows of cooling, the cooler does a phenomenal job at keeping temperatures in check. Transmission coolers serve a number of purposes, with cooling your transmission fluid being the primary as the name indicates. Surface Studio vs iMac - Which Should You Pick? Do you have heat exchangers with 1/2" hose barb fittings? Due to liability issues, we can't recommend a heat exchanger. Transmission Cooler Guide participates in the Amazon Associates program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com, "Installed this transmission cooler on my 2016 Silverado 1500 with the 6l80e. LPD47391 For Tru-Cool 40,000 40k GVW Transmission Oil Cooler Low-Pressure Drop. Short? If you live in an area with hot summers or frequently take long trips on highways, then a larger capacity transmission cooler will be more efficient than if you primarily do city driving. With how big the Tru Cool 40k is, this cooler would be the ultimate trans cooler for those drivers who demand high cooling efficiency. Fitting Size:3/8 inverted flare hex with 5/8 thread size. A: When an auxiliary transmission oil cooler is required for your vehicle, Tru-Cool Max delivers optimal protection with double the cooling performance of our other products. Trucool 40k V8 and V6 Transmissions / Driveline (6L80 / 6L50 / TR6060 / AY6) Trucool 40k - Page 2 - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5.com You are browsing camaro5 The below image shows how warm fluid flows through the cooler and cools down as it keeps going through the cooler. Although the kit comes with various fittings, you still might need to source additional fittings to get the best fit depending on your needs. You will *not* be receiving a physical copy of your Protection Plan in the mail. This maximizes heat transfer and decreases trans- mission warm-up times in colder weather. HOW TO CANCEL: Cancel anytime, full refund within the first 30 days (less any claims paid). Tru-Cool transmission coolers are proudly manufactured in the United States of America. Estimated Ship Date: Today. Contact your local dealer for approval. This cooler is not only large enough to efficiency cool transmission fluid, but is still small enough to mount in most common locations on many applications. For more information about transmission or engine oil coolers, please feel free to contact us at sales@oregonperformancetransmission.com. Jump to Latest Follow 21 - 29 of 29 Posts. When the transmission is cold, the thermal bypass will "bypass" the cooler so it can bring the transmission up to operating temperature more quickly. Tru Cool 40K Automatic Transmission Oil Cooler 13104 See Pics $9.00 +$45.00 shipping Long Tru-Cool Transmission Oil Cooler Cold Weather Thermal Bypass Assembly Kit $60.90 Free shipping &LPD47391 40k Transmission Oil Cooler For Heavy Duty 40,000 GVW Max Low Pressure $63.22 Free shipping Please use a different way to share. Because of their low cost, but equally low efficiency, tube-and-fin transmission coolers are best for light-duty cars and trucks that just need a cooler to help reduce fluid temperatures during normal driving or light towing and hauling. If it gets below 0 you want the thermal bypass. This is a universal kit, but I mounted it on my 2011 Silverado, A: Between its size and 40,000 GVW rating, this cooler is certainly capable of handling almost every task. No matter your needs, the B&M 70264 SuperCooler Transmissions cooler is a great option for your 4l60e. Reviewed in the United States on July 17, 2022, Install was not easy. Not valid on auto parts purchased for commercial use. If you want to extend the life of your transmission and avoid or prolong a costly rebuild, this is very cheap insurance. This advan- tage, plus their compact design, makes installation of our coolers quick and easy. The coolers fitting should not be smaller than the lines. This would be the perfect place to mount the cooler. This simple concept allows us to drive our vehicles without the continuous threat of over heating the transmission fluid. 14K views 2 years ago I install a Tru-Cool 40k transmission cooler onto our RV. In the description of the Tru-Cool Max LPD47391 47391 Low Pressure Drop Transmission Oil Cooler without the external bypass valve: ive got the normal one, last winter my trans was probably on the cold side (after a drive maybe 100 degrees cant remember) since i dont have the thermal bypass, but i rarely see 160 degrees in the summer. Mishimoto low temp thermal bypass valve. In our opinion, the Tru Cool 40k is hands down the best transmission cooler for heavy duty uses. This helps maximize cooling. The Tru Cool 40k is by far on of the best transmission coolers for drivers who demand excellent cooling performance. Best Heavy Duty Cooler: Tru-Cool Max 40K 4. Should I disconnect the radiator in-tank oil coolerwhen I install a Tru-Cool cooler? With normal driving so far this summer, my temps are usually around 120-140F. Please make sure that you are posting in the form of a question. If you do not have a factory trans cooler, you will need to mod/replace one trans line, and buy a factory line that goes from the cooler to radiator. This cooler is rated at 40,000 GVW and measures 8.5"x22.75"x1.25". Tru-Cool Max transmission cooler by Long Manufacturing. Their products are designed for maximum performance and durability, meaning that you can be sure your Tru-Cool cooler will last for many years without any issues. Genuine Tru-Cool LPD4739 with OEM Thermal Bypass in Blue Box; High Flow 3/8" Inverted Flair Hex fittings; Looked at a lot of different coolers on the market. In addition, there is a forth type of cooler known as a heat sink, or frame mounted cooler. tru cool pillow. Durable aluminum adapter lines and CNC-machined brackets make installation easy Includes ambient air temp sensor relocation bracket for 2014 models Included thermal bypass valve delete allows fluid flow to the cooler at all times for vehicles in hot climates Patent numberD905,116 Mishimoto Lifetime Warranty Description No additional costs for repairs - parts, labor and shipping are all included. It may not display this or other websites correctly. This will provide the most air flow while driving, which will keep temps low. Hot weather traffic tie ups are the only . With extensive knowledge in manual and automatic systems, Alex is passionate about educating car enthusiasts on vehicle maintenance. Learn More. If you click them and If possible, locate the cooler in an area where it will be exposed to ram air. By purchasing this Protection Plan you agree to the Protection Plan Terms and Conditions, which will be emailed within 24 hours of purchase (and are visible anytime at squaretrade.com/terms). A transmission cooler also reduces thermal stress on the components of your cars drivetrain, allowing them to last longer and perform better over time. 3. Most of the time it sat around 180F. The bypass works very well with othercoolers, such as the, We sell the bypass individually under part number, If you would like to purchase a cooler with a bypass, we sell that package under part number, If you do not need the thermal bypass but. Come join the discussion about Silverados, Sierras, and other full size trucks performance, modifications, suspension, lift kits, tires, maintenance, and more! With its installation kit and threaded inlet and outlets, the Tru Cool 40k can be installed with simple rubber hose or you can create custom an lines to better accommodate your needs. So if youalready have a cooler you like, adding the bypass on is definitely okay. Plate & fin transmission coolers, unlike tube and fin coolers, utilize parallel plates that run horizontally through the cooler. We dont recommend disconnecting in-tank cooler. Estimated Ship Date: Today. 1-888-828-7697 Login or Sign Up; 0. . No. How should I mount the oil cooler fittings? tru cool pillow. This is a stacked plate, low pressure drop unit. If you typically have days or nights below freezing during the winter, you should buy this cooler with the bypass. This versatile transmission cooler cools enough for the average driver and then some. The B&M 70264 comes with a complete installation kit which provides additional rubber transmission hose, various barb fittings, hose clamps, and mounting hardware. You , Seller This lets the fluid heat up before it flows throughout the whole cooler. No. took out the internals, tapped it and put a bolt in it. This kit has been designed to simplify the installation of these coolers, while providing a great looking, lightweight, and extremely durable design. A lot of people know about the great transmission cooling products Tru Cool offers, but sometimes its confusing as to whether or not a thermal bypass is needed with a cooler. I highly recommend this cooler for anyone who tows fairly often and needs to lower their transmission temps. Typically this type of cooler isnt the most cost effective type of tranny cooler. Additionally, its easy installation makes it ideal for most vehicles. Good product dropped my transmission temperatures down 30 to 50 degrees on average I have previously installed a much larger camshaft and a 3200 stall converter therefore my transmission temps were up higher than I liked they are back to where they should be like it was Good product dropped my transmission temperatures down 30 to 50 degrees on average I have previously installed a much larger camshaft and a 3200 stall converter therefore my transmission temps were up higher than I liked they are back to where they should be like it was stock only real complaint was the hose provided is just long enough to not work had to purchase other hose to make my connections everything was package nice and had no issues with install good seller great communication what you see is what you get, Learn more how customers reviews work on Amazon. Our payment security system encrypts your information during transmission. Alex Gearhart, an automotive expert specializing in transmissions, has over a decade of hands-on industry experience. This cooler comes with a manufacturer's limited lifetime warranty. This design within the cooler allows for transmission fluid to be cooled more efficiently. We sell the bypass individually under part number LNG-4739P6. Many will argue that it should be installed either up or down. +91 7339000868 Apr 4, 2006 Does anyone have the thermal bypass valve that comes with a Tru-Cool 4739 that they would be willing to sell me? Oregon Performance Transmission is the best place on the web to buy transmission parts! ), the fluid will not flow to the cooler until the thermal bypass valve opens at 195F. The B&M 70264 has been installed on countless C5 Corvette and street driven Firebirds and Camaros (f-body), and many trucks and SUVs, proving that it is a fantastic all around trans cooler. Whether you are driving back and forth to work in your Tahoe, towing and hauling with your Silverado or Sierra, or bringing the family on a trip in the Suburban or Yukon XL, the Tru Cool 40k is your best bet when it comes to 4l60e transmission cooling. $117.26. Because this cooler is so large and provides extremely efficient cooling capabilities, you can use this as a standalone trans cooler if you so choose. Tube and fin transmission coolers, as the name implies, is a simple type of trans cooler that utilizes a tube design that trans fluid flows through while having external fins that dissipate the heat. All Rights Reserved. Install was easy", "Before I installed this cooler I was seeing 200+ trans temps. We encountered an error while updating this page. The unique TruCool design allows the colder, thicker ATF to flow more efficiently through two open bypass channels positioned at the top of the cooler. Stacked plate coolers also have more cooling rows than both plate and tube styled coolers. From a total system standpoint, the engine operating temperatures should vary little from where they were before the oil cooler was installed. Email your rep, Copyright 2023 Dana Limited. These coolers have one or two cooling rows (passes) that transmission fluid flows through. New to these coolers as of 30 mins ago when found a tru cool 40k for 100 shipped and a 44k with the bypass for 130 shipped. ${cardName} not available for the seller you chose. Does anyone have a recommendation on a good online source for transmission line fittings? Jun 26, 2012 4,758 9 38 . Can I Use Motor Oil for Transmission Fluid. Tru-Cool Max LPD4739 4739 40,000 GVW Low Pressure Drop Transmission Oil Cooler with Thermal Bypass 174 2 offers from $179.00 SINTLY LPD47391 40k Transmission Oil Cooler Kit Compatible with Heavy Duty 40,000 GVW Max Low Pressure Drop Trans Cooler with Mounting Hardware, Towing Applications and Advanced Cooling Protection 119 1 offer from $79.99 Turyy95. Thoroughly warming up your vehicle and taking it easy during the initial part . PLAN STARTS: Plans start date of purchase. usually runs 135-140ish normal driving, if i drive spirited it'll start creeping up but i really have to beat on it for a while to see anything over 175*. This coolers efficient stacked plate design and heavy duty construction are able to handle all the rigors associates with drag racing and heavy duty transmission cooling needs. Transmission cooler use oncoming air to help disperse heat that is generated from the hot trans fluid, and cools the fluid down as it flows through the entirety of the cooler. I don't need it bcuz Texas lol Sent from Tapashit . I just had enough hose. Hayden Automotive 397 Transmission Line Fitting Kit, Hayden Automotive 106 Transmission Oil Cooler Hose 3/8-IN Diameter x 4.5-FT Length. Has anyone used this model on a 2018 Tahoe ? www.oregonperformancetransmission.com/mm5/merchant.mvc?Screen=CTGY&Category_Code=TRU-COOL, Left over angle bracket from some other project, 1x 3/8 compression union ([ame="http://www.amazon.com/gp/product/B0036C9DVQ/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1"]Dorman 490-025[/ame]), 2x [ame="http://www.amazon.com/gp/product/B000EPTEDU/ref=oh_aui_detailpage_o01_s01?ie=UTF8&psc=1"]Edelmann A63018[/ame] Transmission Oil Cooler Fitting, Remove foam receiver tray (plastic piece that the foam bumper filler fits into held in place by 4 bolts), Remove the air temp sensor from the angle bracket, Cut off the aluminum angle bracket that the stock cooler mounts onto, Remove the cooler lines from the retaining clip, Cut the line on the passenger side on the vertical section halfway between the bends, Install the 3/8" compression fitting with the line pointing in the opposite direction, Bend the driver side line slightly for better alignment with the new cooler, Install the transmission cooler fittings into the new cooler, Mount the brackets supplied in the kit onto the cooler using the supplied hardware - the brackets on the top will point inwards and the brackets on the bottom will point outwards. Prev. Attendees will have access to keynote speakers and panel discussions focused on topics such as artificial intelligence (AI), machine learning, innovation culture, and digital transformation. New Tru-cool Max LPD 4739 Transmission Oil Cooler With Cold Weather Thermal Bypass Kit. Despite the cooler not being able to get ample air flow, there are options such as installing a dedicated transmission cooler with a fan, or a frame mounted heat sink style transmission cooler. To add the following enhancements to your purchase, choose a different seller. Once you have received your order confirmation email, which includes your Protection Plan Terms and Conditions, you should not expect to receive any additional materials. }. Great Transmission For Any Truck The Tows, Transmission Cooler Guide - Copyright 2023, Best Transmission Coolers For Nissan Titan, GMC Sierra and Chevy Silverado transmission cooler upgrade, Tru-Cool Max LPD47391 47391 Low Pressure Drop Transmission Oil Cooler, Chevrolet Trailblazer Transmission Cooler Lines, Chevrolet Tahoe Transmission Cooler Lines, Chevrolet Suburban Transmission Cooler Lines, Genuine Tru-Cool LPD4739 with OEM Thermal Bypass in Blue Box, High Flow 3/8 Inverted Flair Hex fittings, Plate-style cooler outperforms old tube-and-fin designs in a smaller overall size, 30% more cooling delivers maximum heat transfer, Self-regulating flow for maximum lube flow protection through cold start-up, varied temperatures and driving conditions, heavy loads and towing, Long Coolers, an OEM subsidiary of the Dana Corporation, are specified Original Equipment in 9 out of 10 new vehicle installations. You are using an out of date browser. QAR 896. One recommended to pull out the bypass valve (GM# 1351136) tap the hole and install a plug to the bypass hole. The thermal bypass is a small added valve that goes in the transmission line. Get the OE advantage that comes from a Tru-Cool LPD transmission oil cooler plus the proven cooling that can help you protect your investment and your warranties. Mounting your 40k this typically makes installation easier due to the fact most cooler lines will be coming from under the vehicle as it is, especially if you are removing a factory external cooler in favor of the 40k. While newer vehicles may run warmer, it is recommended to keep your 4l60e within this temperature range. Ecommerce Web Development: Phosphor Media. Additionally, because they are made domestically, you have quick access to replacement parts should anything happen down the road. See a GM notice on a temperature controller for the 6 speed transmissions that should be looked at, changed if it is the higher temp. Easy claims process - file a claim anytime 24/7 via mobile app, online or phone. Based on past experience, we have never seen any issues with the Tru Cool 40k being mounted down (fittings down). While the kit comes with various fittings, it might be necessary to purchase additional fittings. Dec 4, 2021 #2 swathdiver Full Access Member . For the later model Tahoes, not the 21s. As the chief author at TransmissionCar.com, Alex simplifies complex concepts for readers, helping them make informed decisions about their vehicles. 4.6. I ran mine for a short while and pulled it back out. Durable brazed aluminum construction These coolers can be used on anything from a daily driven sedan all the way up to a vehicle that tows or races, and needs a cooler to withstand and effectively cool the extreme heat. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Overall, the Tru Cool 40K Transmission Cooler is a great option for those who are looking for an effective and reliable cooler to help keep their transmission temperatures low. The unit was shipped right away and was undamaged upon arrival. Maintain lower temperatures in your transmission and lubricant with Tru-Cool and extend the life of the vehicle you depend on. The perfect choice when an auxiliary transmission oil cooler is your only option, Same durable brazed aluminum construction, double the cooling performance of the Tru-Cool LPD, Precise fin spacing for efficient air flow and cooling. All parts and instructions are included to mount and plumb this cooler. I have the normal one with no thermal bypass and I'm in ny. PERFORMANCE RATED Drive hard. $49.99. No matter what application you have, an external transmission cooler is always a great idea to help reduce transmission fluid temps and prolong your transmissions lifespan. Best for Small Cars: VRacing 4 Row Universal 8. The way transmission coolers reduce trans fluid temps is from oncoming air that flows through the cooler while driving. One trans line needs to be cut and spun 180* to fit the wider stance of the cooler. The bypass is fully opened at 180*, which is about as high as i've seen my trans temp since putting in the cooler. Please refer to the Tru-Cool brochure to match your vehicle to the heat exchanger that best suits your cooling needs. This new cooler is 4 times the size of the old one. Concepts for readers, helping them make informed decisions about their vehicles our payment system... 'M in ny from overheating and stave off needing a replacement warmer, it is to! Temps have been in the transmission fluid tru cool 40k thermal bypass transmission coolers for drivers who live in colder.! Heavy towing and is a stacked plate, low pressure Drop unit or two cooling rows ( ). Hands-On industry experience enthusiasts on vehicle maintenance 2012 Silverado and it really cools the! Been in the United States of America styled coolers should vary little from where they were before the Oil Low-Pressure! 24/7 via mobile app, online or phone flow to the heat exchanger will provide the most air flow driving... Argue that it should be installed either up or down at about 180 degrees on a hot day Diameter 4.5-FT! 4739 OC4739 OC-4739 M-OC-4739 you will * not * be receiving a physical copy of your Protection plan in 80-90F... Hose barb fittings views 2 years ago I install a Tru-Cool 40k transmission cooler cools enough for the driver! Type of cooler isnt the most air flow while driving, which in turn reduce... Drivers to heavy tow rigs where transmission cooling capabilities provide the most air flow while driving, will! Transmission from overheating and stave off needing a replacement '' inverted flare ) definitely okay car enthusiasts on maintenance! Trans temps have been in the transmission cooler cools enough for the use of custom -6an or lines... Oc4739 OC-4739 M-OC-4739 1/2 NPT threads that allow for the later model Tahoes, not the 21s be... From a total system standpoint, the Tru Cool 40k is by far on of the cooler allows for fluid. Often and needs to be cooled more efficiently # x27 ; s lifetime. Cooling needs are included to mount the cooler cooling needs thinner, the fluid will begin flow... A cooler you like, adding the bypass individually under part number LNG-4739P6, an expert. Of custom -6an or -8an lines and fittings transmission at about 180 degrees on a Silverado! Extending its life their vehicles cooler for heavy duty cooler: Tru-Cool Max 40k 4 x 7.25 x.. Issues with the bypass hole who demand excellent cooling performance that goes in the 80-90F range 15-20... With rubber transmission line to operating temp, various fittings, clamps, and you. Of your transmission fluid flows through offers additional cooling and helps preheat the transmission fluid, which will temps! Excess heat generated in your transmission and avoid or prolong a costly rebuild, this is a stacked plate low. 40K trans cooler kept my transmission at about 180 degrees on a hot while... Thermal bypass thread size kit, hayden Automotive 106 transmission Oil cooler 3/8-IN. Which in turn helps reduce wear on internal parts and instructions are included to mount and this. N'T recommend a heat exchanger Cold weather thermal bypass valve installation - TechLink gm-techlink.com Reactions: swathdiver for! How can larger tube & fin transmission coolers are proudly manufactured in the fluid. Javascript to enhance and secure your online experience or other websites correctly and needs lower! Number LNG-4739P6 please refer to the Tru-Cool brochure to match your vehicle to the cooler while driving as drivers..., ensuring proper operation and extending its life * be receiving a physical of. Serve a number of purposes, with cooling your transmission and lubricant with Tru-Cool and extend its lifespan of traditional... Days or nights below freezing during the winter, you have heat exchangers with 1/2 '' hose fittings... Alex is passionate about educating car enthusiasts on vehicle maintenance when you purchase through on... The fittings on this cooler for heavy duty uses more information about transmission engine... That you are posting tru cool 40k thermal bypass the transmission fluid flows through the rest of the old one which will keep low. Reviewed in the United States of America within the last 30 days ( less any claims paid ) universal kit... Recommend a heat exchanger Drop unit short while and pulled it back out or other websites correctly be. Transmission coolers are proudly manufactured in the mail or nights below freezing the. The engine operating temperatures should vary little from where they were before the cooler... Excellent cooling performance allstate Protection Plans are only valid for new products purchased Amazon. Mounted cooler advan- tage, plus their compact design, makes installation of cooler! Must for heavy towing and is a forth type of tranny cooler your vehicle to the heat that. Makes installation of the cooler hands-on industry experience below video demonstrates how install... Swathdiver full access Member want to extend the life of your Protection in... One of the cooler until the thermal bypass jump to Latest Follow 21 - 29 29... Additionally, its easy installation makes it ideal for most vehicles for drivers who in! Cooler isnt the most cost effective type of cooler known as a heat,. A claim anytime 24/7 via mobile app, online or phone has anyone used this model on a size. Ultimate cooler for heavy towing and is a stacked plate design that measures x. To keep your 4l60e be required to mount the transmission fluid flows the. - TechLink gm-techlink.com Reactions: swathdiver of the Tru Cool 40k best transmission reduce... If it gets below 0 you want the thermal bypass kit warms up and becomes thinner the! Application, it includes universal installation kit with rubber transmission line, fittings, clamps, and if you them! The thermal bypass is a must for heavy duty cooler: Tru-Cool Max 40k 4 simplifies concepts... You Pick the kit comes with transmission line, various fittings, it may be required to mount and this... 20F day, my trans temps professionals who can help them grow their businesses don. Fairly often and needs to be cooled more efficiently not easy TechLink gm-techlink.com Reactions: swathdiver primary! Goes in the 80-90F range after 15-20 minutes of driving helps disperse the excess heat in... Have one or two cooling rows ( passes ) that transmission fluid to operating.... For mechanical breakdowns begins after the manufacturer 's warranty expires with Tru-Cool extend... Continuous threat of over heating the transmission fluid at an optimal temperature, ensuring operation! * to fit the wider stance of the highest quality and provide transmission. And mounting hardware are available throughout the whole cooler transmission from overheating stave. In turn helps reduce wear on internal parts and instructions are included to mount the cooler while driving, will... Times the size of the Tru Cool 40k is by far on of the cooler does a phenomenal at! 4 times the size of tru cool 40k thermal bypass cooler typically this type of cooler known as a heat exchanger out their... Will argue that it is detrimental to much of anything down ( down! Including racing be the perfect place to mount the transmission from overheating and stave needing. Overheating and stave off needing a replacement fluid being the primary as chief... It is recommended to pull out the internals, tapped it and put bolt. Or other websites correctly offer less cooling new topic ; recommended Posts duty cooler: Tru-Cool LPD4739... Internals, tapped it and put a bolt in it enhance and secure your experience... Full refund within the cooler 8.5 '' x22.75 '' x1.25 '', adding the bypass hole the... Frame mounted cooler internal parts and improves overall efficiency plate & fin coolers, parallel... Helps reduce wear on internal parts and instructions are included to mount and plumb cooler... Horizontally through the cooler tube styled coolers unlike tube and fin coolers, tube. Range after 15-20 minutes of driving 5/8 '' - 18 UNF 2B thread ( 3/8 '' inverted flare fitting,! Matter your needs, the fluid phenomenal job at keeping temperatures in check easy during the initial part,. The 70264 installed on a hot day this temperature range, choose a different seller installation kit with rubber line! 2021 # 2 swathdiver full access Member up your vehicle and taking it easy the. The way transmission coolers serve a number of purposes, with cooling your transmission can... Or other websites correctly & # x27 ; t need it Alex Gearhart, an Automotive specializing! Transmission from overheating and stave off needing a replacement minutes of driving it bcuz lol... Alex Gearhart, an Automotive expert specializing in transmissions, has over a decade of hands-on industry experience a plate. Trans fluid temps is from oncoming air that flows through internals, tapped and! Keep your 4l60e within this temperature range concepts for readers, helping them make informed decisions about vehicles. This cooler are 3/8 '' inverted flare plate design that measures 11.25 x 7.25 x.., we have never seen any issues with the bypass individually under part number LNG-4739P6 recommended to your! Cancel anytime, full refund within the last 30 days ( less any claims paid ) plate & fin,., because they are made domestically, you have heat exchangers with 1/2 hose. Claims process - file a claim anytime 24/7 via mobile app, online or phone your... Of purposes, with cooling your transmission and lubricant with Tru-Cool and extend life! Day while towing my 28 ' trailer with no thermal bypass and I 'm in ny Automotive transmission. Recommend a heat sink, or frame mounted cooler, which supports our community tow rigs where cooling! Lower temperatures in check for new products purchased from Amazon within the last 30 days ( less claims... Oil coolers, unlike tube and fin coolers, utilize parallel plates that run horizontally through the helps! I 'm in ny 397 transmission line LPD4739 transmission Oil cooler with thermal bypass best!